1357997551 has 2 divisors, whose sum is σ = 1357997552. Its totient is φ = 1357997550.

The previous prime is 1357997539. The next prime is 1357997561. The reversal of 1357997551 is 1557997531.

It is a strong prime.

It is an emirp because it is prime and its reverse (1557997531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1357997551 - 2²⁵ = 1324443119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1357997561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 678998775 + 678998776.

It is an arithmetic number, because the mean of its divisors is an integer number (678998776).

Almost surely, 2^1357997551 is an apocalyptic number.

1357997551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1357997551 is an equidigital number, since it uses as much as digits as its factorization.

1357997551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1488375, while the sum is 52.

The square root of 1357997551 is about 36851.0183170018. The cubic root of 1357997551 is about 1107.3876154714.

The spelling of 1357997551 in words is "one billion, three hundred fifty-seven million, nine hundred ninety-seven thousand, five hundred fifty-one".